84 lines
2.7 KiB
Go
84 lines
2.7 KiB
Go
/*
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* Copyright 2024 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package source
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import (
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"net/http"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"d7y.io/dragonfly/v2/pkg/types"
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)
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var (
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transportLatency = promauto.NewHistogramVec(prometheus.HistogramOpts{
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Namespace: types.MetricsNamespace,
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Subsystem: types.DfdaemonMetricsName,
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Name: "transport_latency",
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Help: "The latency of transport request",
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// promhttp.InstrumentRoundTripperTrace unit is second, the buckets starts from 1 millisecond to 32.768 seconds
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Buckets: prometheus.ExponentialBuckets(0.001, 2, 16),
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}, []string{"stage"})
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)
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func withTraceRoundTripper(next http.RoundTripper) http.RoundTripper {
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trace := promhttp.InstrumentTrace{
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GotConn: func(f float64) {
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transportLatency.WithLabelValues("GotConn").Observe(f)
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},
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PutIdleConn: func(f float64) {
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transportLatency.WithLabelValues("PutIdleConn").Observe(f)
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},
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GotFirstResponseByte: func(f float64) {
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transportLatency.WithLabelValues("GotFirstResponseByte").Observe(f)
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},
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Got100Continue: func(f float64) {
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transportLatency.WithLabelValues("Got100Continue").Observe(f)
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},
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DNSStart: func(f float64) {
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transportLatency.WithLabelValues("DNSStart").Observe(f)
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},
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DNSDone: func(f float64) {
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transportLatency.WithLabelValues("DNSDone").Observe(f)
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},
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ConnectStart: func(f float64) {
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transportLatency.WithLabelValues("ConnectStart").Observe(f)
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},
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ConnectDone: func(f float64) {
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transportLatency.WithLabelValues("ConnectDone").Observe(f)
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},
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TLSHandshakeStart: func(f float64) {
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transportLatency.WithLabelValues("TLSHandshakeStart").Observe(f)
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},
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TLSHandshakeDone: func(f float64) {
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transportLatency.WithLabelValues("TLSHandshakeDone").Observe(f)
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},
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WroteHeaders: func(f float64) {
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transportLatency.WithLabelValues("WroteHeaders").Observe(f)
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},
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Wait100Continue: func(f float64) {
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transportLatency.WithLabelValues("Wait100Continue").Observe(f)
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},
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WroteRequest: func(f float64) {
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transportLatency.WithLabelValues("WroteRequest").Observe(f)
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},
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}
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return promhttp.InstrumentRoundTripperTrace(&trace, next)
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}
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